Parameter English Value Product Name Electronic Trip Unit Manufacturer Schneider Electric Series ComPact NSX400...630 Trip Unit Name Micrologic 1.3 M Trip Unit Technology Electronic Device Application Motor Protection Number of Poles 3P (3 protected poles - 3t) Trip Unit Rated Current 320 A at 65 °C Trip Unit Protection Functions I (instantaneous short-circuit protection) Protection Type Short-circuit protection (magnetic) Rated Operational Voltage (Ue) 690 V AC 50/60 Hz Rated Insulation Voltage (Ui) 800 V AC Rated Impulse Withstand (Uimp) 8 kV Short-time Protection (Isd) Type Adjustable (9 settings) Short-time Protection (Isd) Range 1600 A to 4160 A (5 to 13 x Ir) Short-time Protection Delay (tsd) Fixed (0.01 s) Instantaneous Protection (Ii) Type Fixed Instantaneous Protection (Ii) Value 4800 A (15 x In) Earth-leakage Protection Without Local Signalling Flashing LED (green) for ready to operate Standards EN/IEC 60947-2 Product Certifications CCC, EAC, Marine Ambient Air Temperature (Operation) -25…70 °C IP Protection Class IP40 Compatible Circuit Breakers ComPact NSX400, ComPact NSX630 Typical Part Numbers LV432069 (trip unit only), C40N31M320 (NSX400N 3P 320A complete breaker), C40H31M320 (NSX400H 3P 320A complete breaker) Width (for complete breaker) 140 mm Height (for complete breaker) 255 mm Depth (for complete breaker) 110 mm